Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1998-12-11
2000-11-14
Andrews, Melvyn
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75345, 75347, 164471, 164493, 164498, 264 10, C22C 104
Patent
active
061464384
ABSTRACT:
An apparatus and method of forming balls includes a metering device 2, a melting device 14 and a cooling device 20. The metering device 14 stamps a desired volume of solid material in the form of a slug 12 which passes through the melting device 14 where it is caused to levitate and transform state from a solid to a molten liquid. The molten liquid material 13 is released from the melting device 14 and descends through the cooling device 20 where it transforms state once again from a molten material to a solid material while maintaining a ball shape. A forming gas is passed over the molten material 13 in a direction opposite to the falling molten material 13. The balls 15 are finally cooled in a cooling bath 32.
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Grabbe Dimitry
Korsunksy Iosif
Andrews Melvyn
The Whitaker Corporation
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